<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <li @dblclick="problem1">
            <span class="blue">关于公众号使用问题</span>
        </li>
    </div>
    <script src="https://cdn.bootcss.com/vue/2.6.11/vue.js"></script>
    <script>
        var app = new Vue({
            el: '#app',
            data: function () {
                return {
                }
            },
            methods: {
                problem1: function (e) {
                    console.log(e)
                    // console.log(e.target.innerText);
                }
            }
        })
    </script>

</body>

</html>
